# Relationship Decoder vs SMARTInside

The clearest difference is in-app purchases: SMARTInside at none against Relationship Decoder's 3. SMARTInside also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Relationship Decoder sells 3 in-app purchases, starting at $11.99 per month. SMARTInside asks for nothing beyond the download.

Relationship Decoder ships an update every 7 months, SMARTInside every 6 months. The most recent releases landed on July 7, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Relationship Decoder | SMARTInside |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/smartinside-brain-training-hq/id1671304915/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 38 MB | 32 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Laurent Bottigliengo](https://appshunter.io/developer/1233984041) | [McLagan International, Inc.](https://appshunter.io/developer/1229359922) |

## What reviewers say

### Relationship Decoder

[App page](https://appshunter.io/ios/app/relationship-decoder/id1444353072)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.99 | per month |
| Perform 1 relationship Study | $5.99 | one-time |
| Unlimited Access | $299.99 | one-time |


### SMARTInside

[App page](https://appshunter.io/ios/app/smartinside-brain-training-hq/id1671304915)

Enhance your cognitive abilities with science-based learning strategies. This platform offers tools, tips, and exercises to improve memory, focus, problem-solving, and skill acquisition for personal and professional growth.

**Highlights:** Cognitive ability enhancement, Science-based learning strategies, Skill acquisition tools, Memory and focus improvement, Problem-solving exercises, Adult learning platform

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Relationship Decoder free?

Relationship Decoder is free to download, with in-app purchases available.

### Is SMARTInside free?

SMARTInside is free to download, with no in-app purchases.

### Do Relationship Decoder or SMARTInside have ads?

Neither Relationship Decoder nor SMARTInside shows ads.

### Which is updated more often, Relationship Decoder or SMARTInside?

Relationship Decoder ships an update every 7 months, and SMARTInside every 6 months. Most recently, Relationship Decoder was updated on July 7, 2026 and SMARTInside on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*